P paulxzt Junior Member Joined Aug 30, 2006 Messages 65 Aug 31, 2006 #1 Ah, i forgot how to start with these type of problems, any help would be appreciated: Simplify: cot(-) ------- csc(-) Find all (-) in the interval [0,2pi) that satisfy the equation: 2cos(-)tan(-) + tan(-) = 0
Ah, i forgot how to start with these type of problems, any help would be appreciated: Simplify: cot(-) ------- csc(-) Find all (-) in the interval [0,2pi) that satisfy the equation: 2cos(-)tan(-) + tan(-) = 0
G galactus Super Moderator Staff member Joined Sep 28, 2005 Messages 7,203 Aug 31, 2006 #2 For the first, use the identities: \(\displaystyle csc(x)=\frac{1}{sin(x)}\;\ and\;\ cot(x)=\frac{1}{tan(x)}\) For the second, start by factoring: \(\displaystyle tan(x)(2cos(x)+1)=0\)
For the first, use the identities: \(\displaystyle csc(x)=\frac{1}{sin(x)}\;\ and\;\ cot(x)=\frac{1}{tan(x)}\) For the second, start by factoring: \(\displaystyle tan(x)(2cos(x)+1)=0\)
